Manchester United vs Arsenal: Did Jose Mourinho’s men or Arsene Wenger’s army travel further during the international break?
Both clubs had players away in the furthest corners of the earth, including Alexis Sanchez and Sergio Romero, but which club racked up more air-miles in the last fortnight?
WHEN preparing for a crucial clash in any sport, it is imperative to ensure you have an edge over the opposition wherever possible.
From that extra hour or training to one additional hour resting up, every action sparks a reaction.
In the case of Manchester United vs Arsenal - this Saturday at 12.30pm - perhaps it will come down to which side enjoyed the most relaxing international break.
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With a host of international stars turning out for both clubs - and games still being played on Tuesday night - there could be many a jet-lagged player heading into the Old Trafford showdown.
But which club racked up most air miles on the whole? We run through both teams to find out...
Looking through both squads, there are players from as far away as South American and Africa on the books.
The player to travel the furthest during the international break was Arsenal star Alexis Sanchez - joint with club team-mate David Ospina - both on an incredible 14,416 miles.
Sanchez linked up with his Chile side as they beat Uruguay 3-1 in their World Cup qualifier on Tuesday, following a 0-0 draw with Ospina's Colombia on Thursday.
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The Arsenal's stopper's men also played Argentina - on Tuesday night - getting thumped 3-0 by a Lionel Messi-inspired side.
Next up is Man United's back-up stopper Sergio Romero, who travelled 14,338 miles with the Argentine squad.
Arsenal forward Alex Iwobi notched a whopping 6,424 miles while with Nigeria, just ahead of United's Henrikh Mkhitaryan and Gunners ace Mohamed Elneny on more than 4,000 miles apiece.
United's Spanish trio David De Gea, Juan Mata and Ander Herrera all clocked up 2,297 miles, with Arsenal's Shkodran Mustafi just edging them out with 2,428 miles with Germany.
Hector Bellerin racked up 1,964 miles, despite not playing for Spain's Under-21s, while Matteo Darmian travelled 756 miles on Italy duty.
Memphis Depay had 457 miles under his belt with the Netherlands, while England's Wayne Rooney wasn't far behind - putting in the 400-mile round-trip from Manchester to London.
Arsenal's Theo Walcott had it easiest, making the simple trip from north London to slightly more north London... Just 24 miles in all.
Overall, it was Arsene Wenger's Gunners who spent more time on the plane, at 43,880 miles altogether, over 10,000 ahead of Jose Mourinho's Man United on 31,744 miles.
Will that extra time at 30,000ft prove to be too much for Arsenal when they travel to Old Trafford?